What is the cause of the temperature rise and heating of the rolling bearing during the operation of the fan? How to deal?

Bearing box vibrates violently

Identify causes and eliminate them

Lubricating oil of poor quality, deterioration, excessive viscosity or too little, containing too much water or poor emulsion resistance, or filling too much and containing impurities such as dust, sand, dirt, etc.

Replace new lubricating grease and clean the inside of bearing box

The shaft and rolling bearing are not fitted, or the fan shaft is not the same as the motor shaft.

Reinstall and adjust bearings, or perform alignment so that the two axes are concentric

Rolling bearing damage ,ball support damage

replacement of the new bearings

Blockage of Water Pipe for Water cooling bearing and interruption of Water supply

Find out why. Clean up the pipes.